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Okay this is what I would do, if the current gasket is still in one piece I would go buy some RTV gasket maker and put it on both side of the gasket then while your TB is off clean the ports a bit more and tighten those four bolts nice and tight. This would really seal it up you only need a very little bit so just smear it evenly in a very thin layer. If the noise it still there then it has to be something else.[/b]
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Thanks for quick response. I am now leaning toward it not being the new throttle body gasket leaking. Brother-in-law suggested I do the soapy water test to look for bubbles indicated an air leak. I sprayed all around the throttle body this morning and no bubbles anywhere, nor did any of the water appear to be being sucked into the throttle body. I am wondering now if it is possible when I was cleaning out the ports if maybe some debris dropped down into the tubes and that is what is causing the noise? If that is the case, will the normal pressure eventually blow out what may have fallen in the tubes or do I need to pull the throttle body back apart? The debris theory comes to mind becuase it is not making the sound all the time. This morning it made the sound on intitial start-up for a second of two, then went away. I even turned on the a/c just to get more load on the over-all system (which yesterday made the noise a little more obvious at idle) and it did not make any difference. Idle is still not as smooth as it should be though at this point. Any opinions on opening back up the throttle body and spraying cleaner down inside the ports with throttle body cleaner and letting it soak for a while? All ideas appreciated, especially anyone that has experienced this with their 626.